Reported Crop Circles for the State of Colorado -

Boulder, Boulder County (October 4, 2000)

A 12’ diameter circle of flattened grass discovered in a city-owned protected wildlife area. Noted at the site when originally found was a full grown heifer mutilation. An increased level of magnetic particles was detected.

Eyewitness report only.

Crop type: grass

Source: Jeffrey Wilson
 

City / County / Date:

• King’s Ranch, Alamosa, Alamosa County (September 9, 1967)
• Pueblo, Pueblo County (September 9, 1972)
• La Veta, Huerfanol County (October, 1994)
• Hartman, Prowers County (Heartland?) (June 4, 1996)
• Delta, Delta County
  (August 12, 1996)
• Antonito, San Luis Valley / Crestone, Conejos County (September 23, 1996)
• Boulder, Boulder County
  (October 4, 2000)
• [Northern] (August 18, 2005)